I spent years trying to teach myself the basics of electronics. I had a few basic electronics courses in engineering school, but they were high-end theory, and only years later did I find it unusual ...

Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials and step-by-step build ...

This course introduces the basic concepts of switched-mode converter circuits for controlling and converting electrical power with high efficiency. Principles of converter circuit analysis are ...

It had been a long day and my colleague and I were unwinding at the hotel bar. We had visited several customers and were reflecting on how the young engineers we had met that day knew very little ...